:root{--bg:#f6f8fa;--card:#fff;--edge:#e3e8ee;--ink:#1b2733;--dim:#64748b;--accent:#2563eb;--accent-soft:#eff6ff;--warn-bg:#fffbeb;--ok:#15803d;--ok-bg:#f0fdf4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.55;font-family:-apple-system,BlinkMacSystemFont,Pretendard,Malgun Gothic,sans-serif}header{background:#0f2438;color:#fff;padding:14px 24px;display:flex;align-items:center;gap:14px}header h1{font-size:17px;margin:0;font-weight:650;letter-spacing:-.2px}header .tag{font-size:12px;color:#9db6cc;margin-left:auto}.wrap{max-width:1560px;margin:20px auto;padding:0 20px;display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px;align-items:start}@media (max-width:1080px){.wrap{grid-template-columns:1fr}aside{position:static!important}}aside{position:sticky;top:16px}.card{background:var(--card);border:1px solid var(--edge);border-radius:12px;padding:16px 18px;margin-bottom:16px;box-shadow:0 1px 2px #0f24380a}.card>h2{font-size:14px;margin:0 0 10px;font-weight:650;display:flex;align-items:center;gap:8px}.step{background:var(--accent);color:#fff;font-size:11px;width:19px;height:19px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex:none}.step.done{background:var(--ok)}.muted{color:var(--dim);font-size:12.5px;margin:0 0 10px}button{font:inherit;font-size:13px;padding:6px 12px;border:1px solid #cbd5e1;border-radius:7px;background:#fff;color:var(--ink);cursor:pointer;transition:.12s}button:hover:not(:disabled){background:#f1f5f9;border-color:#94a3b8}button:disabled{opacity:.45;cursor:default}button.pri{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.pri:hover:not(:disabled){background:#1d4ed8}button.on{background:var(--accent);border-color:var(--accent);color:#fff}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.drop{border:2px dashed #b6c6d6;border-radius:10px;padding:22px;text-align:center;background:#fbfdff;cursor:pointer}.drop.hot{background:var(--accent-soft);border-color:var(--accent)}.drop b{display:block;margin-bottom:4px}.stage{position:relative;overflow:auto;max-height:72vh;border:1px solid var(--edge);border-radius:9px;background:#fff;margin-top:10px}.stage canvas{display:block;cursor:crosshair;max-width:100%;height:auto}.stage.full canvas{max-width:none;height:auto}.selbox{position:absolute;border:2px solid var(--accent);background:#2563eb1a;pointer-events:none;border-radius:2px}.note{background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:6px;padding:9px 12px;font-size:12.5px;margin:10px 0}.warn{background:var(--warn-bg);border-left:3px solid #f59e0b;border-radius:6px;padding:9px 12px;font-size:12.5px;margin:10px 0;color:#78350f}.ok{background:var(--ok-bg);border-left:3px solid #22c55e;border-radius:6px;padding:9px 12px;font-size:12.5px;margin:10px 0;color:#14532d}.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}label.f{display:block;font-size:12px;color:var(--dim)}label.f input,label.f select{width:100%;margin-top:3px;padding:6px 8px;font:inherit;font-size:13px;border:1px solid #cbd5e1;border-radius:7px;background:#fff}label.f .badge{font-size:10px;padding:1px 5px;border-radius:4px;margin-left:4px;vertical-align:1px;background:#e2e8f0;color:var(--dim)}.badge.a{background:#dcfce7;color:var(--ok)}.badge.r{background:#dbeafe;color:#1d4ed8}h3.grp{font-size:12px;font-weight:700;margin:16px 0 8px;padding-bottom:5px;border-bottom:1px solid var(--edge);color:var(--dim)}h3.grp span{font-weight:400}.res{display:grid;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));gap:12px}.res .v{font-size:25px;font-weight:680;letter-spacing:-1px;line-height:1.15}.res .k{font-size:11.5px;color:var(--dim)}.res .u{font-size:11px;color:var(--dim)}table{border-collapse:collapse;font-size:12.5px;width:100%}th,td{border-bottom:1px solid var(--edge);padding:5px 7px;text-align:right}th{color:var(--dim);font-weight:600}td:first-child,th:first-child{text-align:left}.tools{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.chips{display:flex;gap:5px;flex-wrap:wrap}.chip{font-size:12px;padding:4px 9px;border-radius:99px;border:1px solid #cbd5e1;background:#fff;cursor:pointer}.chip.done{background:#f0fdf4;border-color:#bbf7d0}.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}.work{overflow:auto;max-height:560px;border:1px solid var(--edge);border-radius:9px;background:#fff}.work canvas{display:block}.work.pan canvas{cursor:grab}kbd{background:#f1f5f9;border:1px solid #cbd5e1;border-bottom-width:2px;border-radius:4px;padding:0 5px;font-size:11px;font-family:ui-monospace,monospace}.tabs{display:flex;gap:4px;padding:0 24px;background:#0f2438;border-bottom:1px solid #1d3a55}.tabs button{border:0;border-radius:8px 8px 0 0;background:transparent;color:#9db6cc;padding:9px 18px;font-weight:600;font-size:13px}.tabs button:hover:not(.on){background:#16324a;color:#dbeafe}.tabs button.on{background:var(--bg);color:var(--ink)}.tabs .ext{align-self:center;color:#9db6cc;font-size:12px;text-decoration:none;padding:5px 10px;border-radius:6px;border:1px solid #26445f}.tabs .ext:hover{background:#16324a;color:#dbeafe}.samples{display:grid;grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:6px;margin-top:12px}.sample{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;height:57px;padding:12px 3px 4px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;line-height:1;cursor:pointer}.sample:hover{border-color:#94a3b8;background:#f8fafc}.sample .id{font-size:14px;font-weight:700;color:#94a3b8;letter-spacing:0;font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,monospace}.sample .n{margin-top:auto;padding-top:4px;width:100%;text-align:center;border-top:1px solid #e2e8f0;font-size:9.5px;font-weight:600;color:var(--dim);white-space:nowrap}.sample.other{background:#f8fbff;border-color:#bfdbfe}.sample.other .id{color:#1d4ed8}.sample.other .n{border-top-color:#bfdbfe;color:#1d4ed8}.sample.mine{background:#f4fdf7;border-color:#86efac}.sample.mine .id{color:#15803d}.sample.mine .n{border-top-color:#86efac;color:#15803d}.sample .talk{position:absolute;top:2px;right:4px;font-size:9px;font-weight:700;line-height:1;color:var(--dim);letter-spacing:-.3px;pointer-events:none}.sample.on{outline:2px solid var(--accent);outline-offset:1px}.beatlay{display:flex;gap:12px;align-items:flex-start;margin-top:10px}.beatmain{flex:1;min-width:0}.beats{flex:0 0 156px;position:sticky;top:16px}.beats .hd{font-size:11.5px;font-weight:700;color:var(--dim);margin:0 2px 6px;padding-bottom:4px;border-bottom:1px solid var(--edge)}.beat{display:flex;align-items:stretch;gap:0;margin-bottom:4px}.beat .pick{flex:1;min-width:0;display:flex;align-items:baseline;gap:6px;text-align:left;border-radius:7px 0 0 7px;border-right-width:0;padding:5px 8px}.beat .pick b{font-size:12px;font-weight:650;white-space:nowrap}.beat .pick .q{margin-left:auto;font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,monospace}.beat .pick .talk{font-size:10.5px;color:var(--dim)}.beat .del{border-radius:0 7px 7px 0;padding:5px 8px;color:var(--dim);line-height:1}.beat .del:hover{background:#fef2f2;border-color:#fca5a5;color:#b91c1c}.beat.on .pick{background:var(--accent);border-color:var(--accent);color:#fff}.beat.on .pick .q,.beat.on .pick .talk{color:#dbeafe}.beat.top .pick .q{color:var(--ok);font-weight:700}.beat.top.on .pick .q{color:#bbf7d0}.beats .add{width:100%;margin-top:6px;font-size:12px;padding:5px 8px;border-style:dashed;color:var(--dim)}.beats .add:hover:not(:disabled){color:var(--ink)}@media (max-width:1180px){.beatlay{flex-direction:column}.beats{flex:none;width:100%;position:static}.beat{display:inline-flex;margin:0 4px 4px 0}}.board{max-height:340px;overflow:auto;border:1px solid var(--edge);border-radius:9px;background:#fcfdfe;padding:10px 12px}.post{padding:8px 0;border-bottom:1px solid var(--edge)}.post:last-child{border-bottom:0}.post .who{display:flex;align-items:baseline;gap:6px;font-size:11.5px;color:var(--dim)}.post .who b{font-size:12.5px;color:var(--ink);font-weight:650}.post .who .me{background:#dcfce7;color:var(--ok);border-radius:4px;padding:0 5px;font-size:10px}.post .who .at{background:#e2e8f0;border-radius:4px;padding:0 5px;font-size:10.5px}.post .who .when{font-variant-numeric:tabular-nums}.post.here .who .at{background:var(--accent);color:#fff}.post .say{margin-top:3px;font-size:13px;white-space:pre-wrap;word-break:break-word}.write{margin-top:10px}.write textarea{width:100%;padding:8px 10px;font:inherit;font-size:13px;line-height:1.5;border:1px solid #cbd5e1;border-radius:8px;background:#fff;resize:vertical}